The unfertilised egg always has one _______ chromosome.

Explanation

To solve the question "The unfertilised egg always has one _______ chromosome," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Unfertilized Egg**:
- An unfertilized egg is a female gamete. In biological terms, gametes are the reproductive cells that unite during sexual reproduction.

2. **Identifying the Chromosome Type**:
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